NL6900564A - - Google Patents

Info

Publication number
NL6900564A
NL6900564A NL6900564A NL6900564A NL6900564A NL 6900564 A NL6900564 A NL 6900564A NL 6900564 A NL6900564 A NL 6900564A NL 6900564 A NL6900564 A NL 6900564A NL 6900564 A NL6900564 A NL 6900564A
Authority
NL
Netherlands
Application number
NL6900564A
Other versions
NL159786B (nl
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed filed Critical
Publication of NL6900564A publication Critical patent/NL6900564A/xx
Publication of NL159786B publication Critical patent/NL159786B/xx

Links

Classifications

    • GPHYSICS
    • G01MEASURING; TESTING
    • G01NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N15/00Investigating characteristics of particles; Investigating permeability, pore-volume or surface-area of porous materials
    • G01N15/10Investigating individual particles
    • G01N15/1031Investigating individual particles by measuring electrical or magnetic effects
    • G01N15/12Investigating individual particles by measuring electrical or magnetic effects by observing changes in resistance or impedance across apertures when traversed by individual particles, e.g. by using the Coulter principle
    • G01N15/134Devices using two or more apertures

Landscapes

  • Chemical & Material Sciences (AREA)
  • General Physics & Mathematics (AREA)
  • Dispersion Chemistry (AREA)
  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Biochemistry (AREA)
  • Physics & Mathematics (AREA)
  • Immunology (AREA)
  • General Health & Medical Sciences (AREA)
  • Pathology (AREA)
  • Investigating Or Analysing Biological Materials (AREA)
  • Measurement Of Radiation (AREA)
  • Apparatus For Radiation Diagnosis (AREA)
  • Measurement Of Current Or Voltage (AREA)
  • Automatic Analysis And Handling Materials Therefor (AREA)
NL6900564.A 1968-01-15 1969-01-14 Werkwijze voor het tellen van deeltjes en inrichting voor het toepassen van de werkwijze. NL159786B (nl)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US69798568A 1968-01-15 1968-01-15

Publications (2)

Publication Number Publication Date
NL6900564A true NL6900564A (cg-RX-API-DMAC7.html) 1969-07-17
NL159786B NL159786B (nl) 1979-03-15

Family

ID=24803428

Family Applications (1)

Application Number Title Priority Date Filing Date
NL6900564.A NL159786B (nl) 1968-01-15 1969-01-14 Werkwijze voor het tellen van deeltjes en inrichting voor het toepassen van de werkwijze.

Country Status (9)

Country Link
US (1) US3530381A (cg-RX-API-DMAC7.html)
JP (1) JPS494872B1 (cg-RX-API-DMAC7.html)
BE (1) BE726844A (cg-RX-API-DMAC7.html)
CH (1) CH514893A (cg-RX-API-DMAC7.html)
DE (1) DE1901608C3 (cg-RX-API-DMAC7.html)
FR (1) FR2000240A1 (cg-RX-API-DMAC7.html)
GB (1) GB1254891A (cg-RX-API-DMAC7.html)
NL (1) NL159786B (cg-RX-API-DMAC7.html)
SE (1) SE348300B (cg-RX-API-DMAC7.html)

Families Citing this family (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3678382A (en) * 1970-04-09 1972-07-18 Coulter Electronics Malfunction detection circuit and method
US3667057A (en) * 1970-05-22 1972-05-30 Bendix Corp Method and means for providing an output corresponding to the average of acceptable input signals
FR2116224B1 (cg-RX-API-DMAC7.html) * 1970-10-29 1974-10-31 Ibm France
US3686493A (en) * 1970-11-13 1972-08-22 Gen Electric Limited average voter circuitry
US3862356A (en) * 1972-01-07 1975-01-21 Tektronix Inc Television picture monitor capable of measuring a plurality of signals
US3863056A (en) * 1973-06-29 1975-01-28 Coulter Electronics Method and apparatus for multichannel voting
US4017742A (en) * 1975-03-28 1977-04-12 The Bendix Corporation Multiple input, multiple failure operational voter circuit
FR2472183B1 (fr) * 1979-12-12 1986-03-07 Coulter Electronics Procede de nettoyage d'une ouverture pour un dispositif d'etude de particules et appareil pour la mise en oeuvre de ce procede
GB9624096D0 (en) * 1996-11-20 1997-01-08 Microbial Systems Ltd Apparatus and method of use thereof
US6418802B1 (en) * 1996-11-21 2002-07-16 Michael Anthony Wood Particle sizing apparatus and method of use thereof
EP1797412A1 (en) * 2004-10-01 2007-06-20 Chempaq A/S A method for calibrating a particle counting apparatus
US7579879B2 (en) * 2005-10-27 2009-08-25 Honeywell International Inc. Voting scheme for analog signals
US7457709B2 (en) * 2005-12-20 2008-11-25 Beckman Coulter, Inc. Systems and methods for particle counting
WO2009109190A1 (en) * 2008-03-03 2009-09-11 Chempaq A/S High resolution classification
US9092313B2 (en) * 2013-01-25 2015-07-28 Honeywell International Inc. System and method for three input voting
CN109716070B (zh) * 2016-09-15 2021-07-23 阿尔卑斯阿尔派株式会社 物理量测定装置
CN112730202B (zh) * 2020-12-29 2023-06-16 深圳市科曼医疗设备有限公司 血球分析仪的阻抗法检测系统和识别阻抗通道堵孔的方法

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3420993A (en) * 1964-11-23 1969-01-07 Gen Electric Redundant analog failure correction and detection process and apparatus

Also Published As

Publication number Publication date
DE1901608B2 (de) 1974-10-31
NL159786B (nl) 1979-03-15
US3530381A (en) 1970-09-22
CH514893A (fr) 1971-10-31
GB1254891A (en) 1971-11-24
JPS494872B1 (cg-RX-API-DMAC7.html) 1974-02-04
BE726844A (cg-RX-API-DMAC7.html) 1969-07-14
SE348300B (cg-RX-API-DMAC7.html) 1972-08-28
DE1901608C3 (de) 1975-07-03
FR2000240A1 (cg-RX-API-DMAC7.html) 1969-09-05
DE1901608A1 (de) 1969-10-09

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Legal Events

Date Code Title Description
V1 Lapsed because of non-payment of the annual fee
NL80 Information provided on patent owner name for an already discontinued patent

Owner name: COULTER